Coal Combustion and Gasification
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BeschreibungThe use of coal is required to help satisfy the world's energy needs. Yet coal is a difficult fossil fuel to consume efficiently and cleanly. We believe that its clean and efficient use can be increased through improved technology based on a thorough understanding of fundamental physical and chemical processes that occur during consumption. The principal objective of this book is to provide a current summary of this technology. The past technology for describing and analyzing coal furnaces and combus tors has relied largely on empirical inputs for the complex flow and chemical reactions that occur while more formally treating the heat-transfer effects. GrOWing concern over control of combustion-generated air pollutants revealed a lack of understanding of the relevant fundamental physical and chemical mechanisms. Recent technical advances in computer speed and storage capacity, and in numerical prediction of recirculating turbulent flows, two-phase flows, and flows with chemical reaction have opened new opportunities for describing and modeling such complex combustion systems in greater detail. We believe that most of the requisite component models to permit a more fundamental description of coal combustion processes are available. At the same time there is worldwide interest in the use of coal, and progress in modeling of coal reaction processes has been steady.
InhaltsverzeichnisSolid Fossil Fuels (Mostly Coal): Processes and Properties.
Coal Particle Ignition and Devolatilization.
Heterogeneous Char Reaction Processes.
Combustion of Coal in Practical Flames.
Gasification of Coal in Practical Flames.
Modeling of Coal Processes.
Evaluation of Comprehensive Models.
Basic Modeling Equations.
Chemistry and Turbulence of Gaseous Fuels.
Particulate and Droplet Reactions in Turbulent Flows.
Chemistry and Turbulence of Coal Reaction Products.
Radiative Heat Transfer.
NO x Pollutant Formation in Turbulent Coal Systems.
Untertitel: 1985. Auflage. Book. Sprache: Englisch.
Erscheinungsdatum: Februar 1985
Seitenanzahl: 464 Seiten